Write the inverse: Is it true or false? If an animal is a panda, then it is black and white. If an animal is not a panda, then it is not black and white. (False—zebra)
Which angle is the smallest? Which side is the shortest? 57˚ <C, side AB A B C 82˚ 41˚
Find the sum of the interior angles of a: 16-gon 14(180) = 2520˚
Find the measure of one interior angle of a regular: Octagon 6(180) = 135˚ 8
Which quadrilaterals have: 1 pair of opposite sides congruent IT
Find the measure of one exterior angle of a regular: Pentagon 360 = 72˚ 5
Find the measure of one exterior angle of a regular: 20-gon 360 = 18 ˚ 20
Find the sum of the exterior angles of a: 20-gon 360˚
Which quadrilaterals have: Congruent diagonals R, S, IT
Find the midpoint: (3, 5) (8, 9) AVERAGE!! (5.5, 7)
Which quadrilaterals have: Perpendicular diagonals Rh, S
Which quadrilaterals have: 1 pair of opposite sides // Trapezoid
Which quadrilaterals have: 2 pairs of opposite sides congruent P, R, Rh, S
Find the measure of one exterior angle of a regular: Octagon 360 = 45 ˚ 8
Find the sum of the exterior angles of a: 37-gon 360˚
Find the sum of the interior angles of a: Hexagon 4(180) = 720˚
Which angle is the smallest? Which side is the shortest? <A, side BC A B C 65˚ 50˚ 180 – 50 = /2 = 65 65˚
Which quadrilaterals have: Diagonals that bisect each other P, R, Rh, S
Find the measure of angle J 54˚ J 72˚ 180 – 72 = /2 = 54
Write a biconditional: If 2 segments are congruent, then they have the same length. Two segments are congruent iff they have the same length.
Which quadrilaterals have: Opposite angles congruent P, R, Rh, S
Find the sum of the exterior angles of a: septagon 360˚
Write a biconditional: If a polygon is a hexagon, then it has 6 sides. A polygon is a hexagon iff it has 6 sides.
Find the distance: (3, 5) (8, 9) = d = d 2 41 = d ≈ d
Find the midpoint: (-9, 7) (-8, -1) AVERAGE!! (-8.5, 3)
Find the measure of one interior angle of a regular: Pentagon 3(180) = 108˚ 5
Write the converse: Is it true or false? If an animal is a panda, then it is black and white. If an animal is black and white, then it is a panda. (False—zebra)
Find the distance: (-9, 7) (-8, -1) = d = d 2 65 = d ≈ d
Find the midpoint: (10, -4) (4, 4) AVERAGE!! (7, 0)
Find the measure of one exterior angle of a regular: Decagon 360 = 36 ˚ 10
Find the sum of the exterior angles of a: nonagon 360˚
Find the distance: (-2, 3) (10, -2) = d = d = d 2 13 = d
Find the midpoint: (-2, 3) (10, -2) AVERAGE!! (4, ½)
Which quadrilaterals have: Diagonals that bisect angles Rh, S
Write a biconditional: If a quadrilateral has both pairs of opposite sides congruent, then it is a parallelogram. A quadrilateral has both pairs of opposite sides congruent iff it is a parallelogram.
Find the distance: (2, -10) (-5, 14) = d = d = d 2 25 = d
Find the midpoint: (2, -10) (-5, 14) AVERAGE!! (-1.5, 2)
59˚ 49˚ J 72˚ Find the measure of angle J = – 131 = 49
Write the contrapositive: Is it true or false? If an animal is a panda, then it is black and white. If an animal is not black and white, then it is not a panda. (True)
Find the sum of the interior angles of a: Dodecagon 10(180) = 1800˚
x˚ <B, side AC A B C (x – 2)˚ 60˚ (x + 2)˚ x + x – 2 + x + 2 = 180 3x = 180 x = 60 58˚ 62˚ Which angle is the smallest? Which side is the shortest?
Find the measure of one interior angle of a regular: 16-gon 14(180) = 157.5˚ 16
Find the distance: (10, -4) (4, 4) = d = d = d 2 10 = d
(3x)˚ 3(16) + 3 = 52˚ J (3x + 3)˚ (5x + 1)˚ 5x x x = x + 4 = x = 176 x = 16 Find the measure of angle J
Which quadrilaterals have: 2 pairs of opposite sides // P, R, Rh, S